SNMP

snmp_remote_time_utc

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Description:

This is a time check script that uses snmp. It checks your remote servers have the correct time and date. The nice thing about this script is it does the date/time check in universal time coordinated, so it can check the time on servers in a different timezone, and handles daylight saving with alarming when the hour goes forward or back.

The script needs a Linux current version of the date command to do all the time cleverness. Don’t expect it to work with ancient Solaris, etc, date commands!

Current Version

1.0

Last Release Date

2013-09-31

Compatible With

  • Nagios 3.x
  • Nagios XI

Owner

Alastair Munro

License

GPL

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Project Files
FileDescription
snmp_remote_time_utc
Project Notes
It runs on the nagios server and does an snmp get to a remote server to get the date and time, and compares against the date and time on the nagios server. $ /usr/local/nagios/libexec/snmp_remote_time_utc -H zrhnora04a1 -C public -w 30 -c 60 TIME OK - Time difference = -5s|diff=-5 Here our UK nagios server is checking the time on a server in Zurich. It reports the Zurich server is 5 seconds slower than the nagios server. Since its below the warning threshold of 30 seconds its ok.
Reviews (1) Add a Review
The best one!
by giner, November 30, 2014

Thanks for the plugin, this is the best one! Here are two remarks: 1. It doesn't work for Windows and ESXi as they don't provide zone information by SNMP. 2. Timeout should be changed from 60 seconds and 5 retries to 30 second and single retry in order not to get CRITICAL instead of WARNING: --- snmp_remote_time_utc.orig 2014-11-14 11:56:09.000000000 +0100 +++ snmp_remote_time_utc 2014-11-14 15:01:55.360771200 +0100 @@ -53,7 +53,7 @@ getandprintresults() { # Get local and remote time at the same time, so we can do a diff later. Local in utc. - rdatestring=$( snmpget -v $version -t 60 -c $community $host HOST-RESOURCES-MIB::hrSystemDate.0 2> /dev/null | gawk '{print $NF}' ) + rdatestring=$( snmpget -v $version -t 30 -r 1 -c $community $host HOST-RESOURCES-MIB::hrSystemDate.0 2> /dev/null | gawk '{print $NF}' ) ldate=$(date -u) [ ! "$rdatestring" ] && exit_unknown


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